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  #1  
Old 08-07-2008, 01:25 PM
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Loose Tube...?

Hey I was messing around under the hood today just checking spark plugs and all that good stuff when I found a loose what I am assuming is vacuum tube. I don't have a manual yet so I have no clue on figuring it out. I have picture below, I doubt it's for drainage of any sort, but your help is much appreciated. BTW this is a 1986 Mercedes 300E W124

The tube was originally hanging down towards the ground towards the engine.

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Loose Tube...?-hpim1026.jpg   Loose Tube...?-hpim1027.jpg   Loose Tube...?-hpim1028.jpg  
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  #2  
Old 08-07-2008, 08:37 PM
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That vac line should be attached to the intake manifold near to the #1 intake runner. I'd guess that you have a nipple on the intake with nothing attached to it.
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  #3  
Old 08-08-2008, 01:33 AM
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Just out of curiosity the absence of this connection can have what results?
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  #4  
Old 08-08-2008, 05:04 AM
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I discovered the same thing on my car--the vacuum tube coming off the ELZ AKR and going to nowhere at the back of the engine. It must have been like that for years. After I discovered it, I suspected it should have been connected to the intake manifold, somewhere, but I couldn't find any nipple that was uncovered, so I tapped into an existing vacuum line with a T-fitting. Honestly, it didn't seem to make a difference one way or the other.

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